參數(shù)資料
型號(hào): HD404654S
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer
中文描述: 4位單片機(jī)
文件頁數(shù): 45/109頁
文件大?。?/td> 430K
代理商: HD404654S
HD404654 Series
45
Bit
Initial value
Read/Write
Bit name
3
0
W
CER3
2
Not used
0
0
W
CER0
1
0
W
CER1
Compare enable register (CER: $018)
CER1
0
0
1
1
Analog input pin selection
COMP
0
COMP
1
Not used
Not used
CER3
Digital input mode:
RD /COMP
0
and RD /COMP
1
operate as an R port.
Digital/Analog selection
Analog input mode:
RD /COMP
0
and RD /COMP
1
operate as analog input.
0
1
CER0
0
1
0
1
Figure 30 Compare Enable Register
Bit
Initial value
Read/Write
Bit name
3
0
W
MIS3
2
0
W
MIS2
MIS2
CMOS buffer
on/off selection
for pin R4
3
/SO
1
On
Miscellaneous register (MIS: $00C)
0
1
Off
MIS3
0
1
Pull-up MOS
on/off selection
Off
On
0
Not used
1
Not used
Figure 31 Miscellaneous Register (MIS)
相關(guān)PDF資料
PDF描述
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